Search results
Results From The WOW.Com Content Network
Dual-polarization interferometry; Fabry–Pérot interferometer; Fizeau interferometer; Fourier-transform interferometer; Fresnel interferometer (e.g. Fresnel biprism, Fresnel mirror or Lloyd's mirror) Fringes of Equal Chromatic Order interferometer (FECO) Gabor hologram; Gires–Tournois etalon; Heterodyne interferometer (see heterodyne ...
These are the four free parameters which must be set to fully characterize the unitary matrix (as expected, =). The third phase-shifter, exp ( i ϕ c ) {\textstyle \exp {\left(i\phi _{c}\right)}} , represents a global offset which can usually be neglected in most practical applications, though it does play an important role when considering ...
Figure 1. The light path through a Michelson interferometer.The two light rays with a common source combine at the half-silvered mirror to reach the detector. They may either interfere constructively (strengthening in intensity) if their light waves arrive in phase, or interfere destructively (weakening in intensity) if they arrive out of phase, depending on the exact distances between the ...
Lateral shearing interferometry is a self-referencing method of wavefront sensing. Instead of comparing a wavefront with a separate path reference wavefront, lateral shearing interferometry interferes a wavefront with a shifted version of itself. As a result, it is sensitive to the slope of a wavefront, not the wavefront shape per se. The ...
SPIDER is an interferometric ultrashort pulse measurement technique in the frequency domain based on spectral shearing interferometry.Spectral shearing interferometry is similar in concept to lateral shearing interferometry, except the shearing is performed in the frequency domain.
Interferometry uses the principal of superposition to make measurements. The electron wave-packet is split into a superposition of two paths. Small differences in the paths will create a phase difference between each portion of the electron superposition.
Electronic speckle pattern interferometry (ESPI), [1] also known as TV holography, is a technique that uses laser light, together with video detection, recording and processing, to visualise static and dynamic displacements of components with optically rough surfaces. The visualisation is in the form of fringes on the image, where each fringe ...
This category describes the general techniques and general types of instruments used in interferometry. Specific instruments are listed in Category:Interferometers . The main article for this category is Interferometry .